Indian Stock Market to Remain Closed on May 28 for Bakri Id Holiday Hitachi Secures Contract for Signaling System on Mexican Railway Chinas Seven Titans Tech Stocks Slump as Deflation Concerns Eclipse AI Optimism Nvidia Stock Slips PostEarnings Sellers May Be Overlooking LongTerm Growth Drivers Zen Technologies Surges Over 7 on Smart Border Suite Launch Guggenheim Reiterates Neutral Rating on CrowdStrike Citing Valuation Concerns IIT Madras and IIT Kanpur to Support CBSE in Resolving Revaluation Portal Technical Issues